title: [Voice change as an indicator of maturation in boys].
authors.affiliation: Institut hygieny a epidemiologie.
authors.forename: M
authors.initials: M
authors.lastname: Prokopec
authors.forename: L
authors.initials: L
authors.lastname: Lhotská
mesh_terms: D000293:Adolescent; D002648:Child; D006801:Humans; D008297:Male; D011627:Puberty / Q000502:physiology*; D014831:Voice / Q000502:physiology*
vernacular_title: Mutace hlasu jako ukazatel dospívání chlapců.